Question # 1

Glycogen is stored in

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Animals

Plants

Soil

None of these

Substances that render enzymes catalytically inactive are called

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coenzymes

substrates

inhibitors

apoezymes

Soda lime is often employed to remove both

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H2O and NO2

CO2, and NO2,

H2O and CO2

H2S and CO2

As the number of carbon atoms increase the number of isomers also increase. The six carbon compound hexane has as many as:

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10 isomers

3 isomers

5 isomers

6 isomers

Fatty acids are:

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Aliphatic mono-carboxylic acids

Di-carboxylic acids

Tri-carboxylic acids

Tetra carboxylic acids

Poly carboxylic acids

Calendar stock is process in paper making in which

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Moisture is removed

Pulp is spreaded over fabric or screen

Paper thickness is removed

Paper is wounded in the form of reel

How is the secondary structure of protein stabilized

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Through hydrogen bonding

Through ionic bonding

Through van der wall forces

Through covalent bonding

The change in enthalpy when one mole of a substance is dissolved in a specified quantity of solvent at a given temperature is called

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Heat of reaction

Heat of solvation

Heat of combustion

Heat of solvent

In the transition state of S2 mechanism reaction with alkyl halides, which of the following orbital hybridization is involved

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sp³

sp

sp²

dsp³

Which one of the following is not true of metallic bonding?

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it gives rise to excellent electrical conductivity

electrons are following to move throughout the structure

the strength of metallic bonds increases down a group

the strength of metallic bonding affects the boiling point of metals

At 100 atm, CH₄ develops:

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Ideal attitude

Non-ideal attitude

Serious attitude

Laughing attitude

The unit of rate constant k is the same as that of the rate of reaction in

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First order reaction

Second order reaction

Third order reaction

Zero order reaction

Which of the following solution has the highest boiling point

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5.85% solution of sodium chloride

18.0% solution of glucose

6.0% solution of urea

All have the same boiling point

When a carboxylic acid reacts with a metal ______ gas is evolved

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H₂

CO₂

CI₂

None of these

Cracking products are :

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Only alkanes

Only alkenes

Alkanes and alkenes

Alkynes

Inter molecular forces in solid hydrogen are

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Covalent forces

Van der Waal forces or London dispersion forces

Hydrogen bonds

All of these

The elements of f-block are also known as

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Inner-transition

Outer transition

Normal elements

Alkaline earth metals

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Zero

1

2

1.5

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Moles per dm³

Partial pressures

Number of moles

Mole fractions

Which of the followingα-Amino acids has basic R-group

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Proline

Glutamic acid

Histidine

Valine

When alkyl is treated with chlorine in the presence of sunlight

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1,3 dichloroproduct is formed

1,4 dichloro product is formed

1,3,5 trichloro product is formed

Only alkyl group is substituted

In Bohr model of hydrogen atom the distance between adjacent orbits increases away from the nucleus, the energy difference between the orbits

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Increases

Decreases

Reaming same

Orbits coincide

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